Big Oak

TRIBDOUBLE BRANCH CREEK· Maury, Tennessee· Built 1985· Earth·

High Hazard Recreation Private

Key Takeaway

Big Oak is classified as high hazard in Tennessee. It was completed in 1985 and is 41 years old. Its primary use is recreation. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.

Physical Details

Dam Length	477 ft
Dam Type	Earth
Max Storage	304 acre-ft
Normal Storage	114 acre-ft

Surface Area	17 acres
Drainage Area	2 sq mi
Year Completed	1985 (41 years old)
NID ID	TN11910

Safety Information

High Hazard

Loss of human life is likely if the dam fails.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: Yes

Last Inspection: July 13, 2020

State Regulated: Yes

Regulatory Agency: TENNESSEE SAFE DAMS PROGRAM

Ownership

OAK LAKE ESTATES HOA, INC.

Private

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Frequently Asked Questions

What is the hazard classification of Big Oak?

Big Oak is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Big Oak?

Big Oak is owned by OAK LAKE ESTATES HOA, INC. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Big Oak built?

Big Oak was completed in 1985, making it 41 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

What is the primary purpose of Big Oak?

Big Oak serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

When was Big Oak last inspected?

Big Oak was last inspected on July 13, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.